CH1825272A4 - - Google Patents

Info

Publication number
CH1825272A4
CH1825272A4 CH1825272D CH1825272D CH1825272A4 CH 1825272 A4 CH1825272 A4 CH 1825272A4 CH 1825272 D CH1825272 D CH 1825272D CH 1825272 D CH1825272 D CH 1825272D CH 1825272 A4 CH1825272 A4 CH 1825272A4
Authority
CH
Switzerland
Application number
CH1825272D
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of CH1825272A4 publication Critical patent/CH1825272A4/xx

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
    • G04D3/00—Watchmakers' or watch-repairers' machines or tools for working materials
    • G04D3/0002—Watchmakers' or watch-repairers' machines or tools for working materials for mechanical working other than with a lathe
    • G04D3/0035—Watchmakers' or watch-repairers' machines or tools for working materials for mechanical working other than with a lathe for components of the regulating mechanism
    • G04D3/0038—Watchmakers' or watch-repairers' machines or tools for working materials for mechanical working other than with a lathe for components of the regulating mechanism for balances
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/08—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically
    • G04C3/10—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically driven by electromagnetic means
    • G04C3/101—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically driven by electromagnetic means constructional details
    • G04C3/107—Controlling frequency or amplitude of the oscillating system
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/42—Piezoelectric device making
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49004—Electrical device making including measuring or testing of device or component part
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49009—Dynamoelectric machine
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4957—Sound device making

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
CH1825272D 1971-12-24 1972-12-14 CH1825272A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2164643A DE2164643B2 (en) 1971-12-24 1971-12-24 Method and tool for adjusting the frequency and / or frequency symmetry of multi-legged transversal oscillators

Publications (1)

Publication Number Publication Date
CH1825272A4 true CH1825272A4 (en) 1975-03-14

Family

ID=5829269

Family Applications (2)

Application Number Title Priority Date Filing Date
CH1825272A CH566050A (en) 1971-12-24 1972-12-14
CH1825272D CH1825272A4 (en) 1971-12-24 1972-12-14

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH1825272A CH566050A (en) 1971-12-24 1972-12-14

Country Status (6)

Country Link
US (1) US3851385A (en)
JP (1) JPS4874216A (en)
CH (2) CH566050A (en)
DE (1) DE2164643B2 (en)
FR (1) FR2164875B1 (en)
GB (1) GB1405927A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3992760A (en) * 1974-09-17 1976-11-23 General Electric Company Apparatus and process for measuring the resonant frequency and coefficient of coupling of a plurality of coupled piezoelectric resonators

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2806400A (en) * 1954-03-10 1957-09-17 Philamon Lab Inc Tuning forks
FR1277362A (en) * 1960-10-18 1961-12-01 R Constant Soc D Expl Des Ets Compensated tuning fork
US3106124A (en) * 1961-07-21 1963-10-08 Melpar Inc Tuning forks
US3230614A (en) * 1963-06-13 1966-01-25 Musikinstrumentenbau Musima Ve Method and apparatus for automatically tuning mechanical frequency sources
US3759133A (en) * 1972-01-24 1973-09-18 Bunker Ramo Vibrator structure and method and apparatus for adjusting the frequency thereof
US3760482A (en) * 1972-05-18 1973-09-25 Suwa Seikosha Kk Method of adjusting frequency of tuning fork type vibrator

Also Published As

Publication number Publication date
JPS4874216A (en) 1973-10-06
FR2164875A1 (en) 1973-08-03
FR2164875B1 (en) 1975-09-12
DE2164643B2 (en) 1975-11-06
US3851385A (en) 1974-12-03
GB1405927A (en) 1975-09-10
DE2164643A1 (en) 1973-07-12
CH566050A (en) 1975-08-29

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